KILL_LEADER      2474 src/login/logind-dbus.c                         "ssi", unit, who == KILL_LEADER ? "main" : "all", signo);
KILL_LEADER      1192 src/login/logind-session.c         [KILL_LEADER] = "leader",
KILL_LEADER       491 src/machine/machine.c         if (who == KILL_LEADER) {
KILL_LEADER       520 src/machine/machine.c         [KILL_LEADER] = "leader",